57634-35-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57634-35-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,3 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57634-35:
(7*5)+(6*7)+(5*6)+(4*3)+(3*4)+(2*3)+(1*5)=142
142 % 10 = 2
So 57634-35-2 is a valid CAS Registry Number.